331747473651 has 16 divisors (see below), whose sum is σ = 482560339968. Its totient is φ = 201051341600.

The previous prime is 331747473643. The next prime is 331747473671. The reversal of 331747473651 is 156374747133.

It is a cyclic number.

It is not a de Polignac number, because 331747473651 - 2³ = 331747473643 is a prime.

It is a super-2 number, since 2×331747473651² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 331747473594 and 331747473603.

It is not an unprimeable number, because it can be changed into a prime (331747473601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745705 + ... + 1104341.

It is an arithmetic number, because the mean of its divisors is an integer number (30160021248).

Almost surely, 2^331747473651 is an apocalyptic number.

331747473651 is a deficient number, since it is larger than the sum of its proper divisors (150812866317).

331747473651 is a wasteful number, since it uses less digits than its factorization.

331747473651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386682.

The product of its digits is 4445280, while the sum is 51.

The spelling of 331747473651 in words is "three hundred thirty-one billion, seven hundred forty-seven million, four hundred seventy-three thousand, six hundred fifty-one".